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Related papers: On Carbon Nanotubes in the Interstellar Medium

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Carbon nanotubes (CNTs) are quasi-1D nanostructures that display both high thermal conductivity and intriguing low-dimensional phonon transport phenomena. In comparison to the advances made in the theoretical calculation of the lattice…

Applied Physics · Physics 2023-08-29 Qianru Jia , Yuanyuan Zhou , Xun Li , Lucas Lindsay , Li Shi

A detailed understanding of energy transduction is crucial for achieving precise control of energy flow in complex, integrated systems. In this context, carbon nanotubes (CNTs) are intriguing model systems due to their rich,…

Mesoscale and Nanoscale Physics · Physics 2011-02-16 Eyal Shafran , Benjamin D. Mangum , Jordan M. Gerton

Carbon fibers, especially those constructed from carbon nanotubes (CNTs), have attracted intensive interests from both scientific and engineering communities due to their outstanding physical properties. In this workHere we report, we find…

Materials Science · Physics 2017-09-26 Haifei Zhan , Gang Zhang , Vincent B. C. Tan , Yuantong Gu

Transport through carbon nanotube (CNT) quantum dots (QDs) in a magnetic field is discussed. The evolution of the system from the ultraviolet to the infrared is analyzed; the strongly correlated (SC) states arising in the infrared are…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 M. Mizuno , Eugene H. Kim , G. B. Martins

We investigate the piezoresistive effect of carbon nanotubes (CNTs) within density functional theory (DFT) aiming at application-relevant CNTs. CNTs are excellent candidates for the usage in nano-electromechanical sensors (NEMS) due to…

Mesoscale and Nanoscale Physics · Physics 2017-06-30 C. Wagner , J. Schuster , T. Gessner

We demonstrate that AC arc discharge under de-ionized water which has been recently used for carbon nanotubes (CNT) production can be modified to increase the quantity and quality of carbon nanotubes by applying a magnetic field. The carbon…

Materials Science · Physics 2013-08-28 V. K. Jindal , K. Dharamvir , Vitisha Suman , Mepam Tsomo

As the aerospace industry becomes increasingly demanding for stronger lightweight materials, the ultra-strong carbon nanotube (CNT) composites with highly aligned CNT network structures could be the answer. In this work, a novel methodology…

Materials Science · Physics 2021-08-11 Liyu Dong , Haibin Hang , Jin Gyu Park , Washington Mio , Richard Liang

The electronic spectra of long carbon nanotubes (CNTs) can, to a very good approximation, be obtained using the dispersion relation of graphene with both angular and axial periodic boundary conditions. In short CNTs one must account for the…

Mesoscale and Nanoscale Physics · Physics 2019-03-25 Magdalena Marganska , Miriam del Valle , Sung Ho Jhang , Christoph Strunk , Milena Grifoni

Any distortion of a chemical structure causes new features to appear in the absorption spectrum of the structure, especially in the visible and near UV (see Paper I). Chemical modeling, using molecular orbital theory, showed that the…

Astrophysics of Galaxies · Physics 2020-01-09 Renaud Papoular

The present communication highlights that ac conductivity measurement of the multi-walled carbon nanotubes (MWNTs)-polymer composites is a very promising characterizing tool for qualifying any crude MWNT-sample synthesized by electric arc.…

Materials Science · Physics 2007-09-26 Soumen Karmakar , Harshada Nagar , J P Jog , S V Bhoraskar , A K Das

This paper is the fourth and final report on a project designed to study carbon abundances in a sample of planetary nebulae representing a broad range in progenitor mass and metallicity. We present newly acquired optical spectrophotometric…

Astrophysics · Physics 2009-10-31 R. B. C. Henry , K. B. Kwitter , J. A. Bates

Usually, in optical spectra of double-walled carbon nanotubes (DWCNTs) weak van der Waals coupling between the layers leads only to a small shift of transition energies with respect to their values in pristine single-walled nanotubes.…

Mesoscale and Nanoscale Physics · Physics 2020-09-30 D. V. Chalin , S. B. Rochal

A carbon nanotube (CNT) tip was fabricated at the apex of an etched tungsten wire by chemical vapor deposition and used for scanning tunneling microscopy. The honeycomb lattice of graphite in the STM images was resolved with a CNT tip at…

Mesoscale and Nanoscale Physics · Physics 2013-03-05 Jeehoon Kim , Junwei Huang , Alex de Lozanne

The material and electrical properties of the CNT single vias and array vias grown by microwave plasma-enhanced chemical vapor deposition were investigated. The diameters of multiwall carbon nanotubes (MWNTs) grown on the bottom electrode…

Materials Science · Physics 2007-08-10 J. -H. Ting , C. -C. Chiu , F. -Y. Huang

Carbon nanotube (CNT) based electronic devices are promising for beyond-silicon solid-state electronics and vacuum micro-nano-electronics. Despite rapid progress in CNT field-effect transistor related solid-state electronics, the…

Applied Physics · Physics 2021-03-10 Nannan Li , Fei Yan , Baoqing Zeng , Yi Luo

Calculations of the conductance of a carbon nanotube (CNT)-molecule-CNT structure are in agreement with experimental measurements [1]. The features in the transmission correspond directly to the features of the isolated molecular orbitals.…

Other Condensed Matter · Physics 2015-05-13 Nicolas A. Bruque , M. K. Ashraf , Roger K. Lake

Recent advances in the four-dimensional ultrafast transmission electron microscope (4D-UTEM) with combined spatial and temporal resolutions have made it possible to directly visualize structural dynamics of materials at the atomic level.…

Mesoscale and Nanoscale Physics · Physics 2014-11-03 Gaolong Cao , Shuaishuai Sun , Zhongwen Li , Huanfang Tian , Huaixin Yang , Jianqi Li

The creation of multilayer graphene (Gr), while preserving the brilliant properties of monolayer Gr derived from its unique band structure, can expand the application field of Gr to the macroscale. However, the energy-favorable AB stacking…

A new framework that can be utilized for the electrodynamics of carbon nanotubes (CNTs) with non-local surface conductivity (spatial dispersion) is presented. The model of non-local conductivity is developed on the basis of the Kubo…

Mesoscale and Nanoscale Physics · Physics 2025-09-22 Tomer Berghaus , Touvia Miloh , Oded Gottlieb , Gregory Ya. Slepyan

The inability to synthesize single-wall carbon nanotubes (SWCNTs) possessing uniform electronic properties and chirality represents the major impediment to their widespread applications. Recently, there is growing interest to explore and…